#include <libavcodec/mjpegdec.h>

Data Fields
AVClass *	class
AVCodecContext *	avctx
GetBitContext	gb
GetByteContext	gB
int	buf_size
int	buffer_size
uint8_t *	buffer
uint16_t	quant_matrixes [4][64]
VLC	vlcs [3][4]
int	qscale [4]
	quantizer scale calculated from quant_matrixes
int	orig_height
int	first_picture
int	interlaced
int	bottom_field
int	lossless
int	ls
int	progressive
int	bayer
int	rgb
uint8_t	upscale_h [4]
uint8_t	upscale_v [4]
int	rct
int	pegasus_rct
int	bits
int	colr
int	xfrm
int	adobe_transform
int	nb_components_sos
int	Ss
int	Se
int	Ah
int	Al
int	maxval
int	near
	near lossless bound (si 0 for lossless)
int	t1
int	t2
int	t3
int	reset
	context halfing interval ?rename
int	width
int	height
int	mb_width
int	mb_height
int	nb_components
int	block_stride [MAX_COMPONENTS]
int	component_id [MAX_COMPONENTS]
int	h_count [MAX_COMPONENTS]
int	v_count [MAX_COMPONENTS]
int	comp_index [MAX_COMPONENTS]
int	dc_index [MAX_COMPONENTS]
int	ac_index [MAX_COMPONENTS]
int	nb_blocks [MAX_COMPONENTS]
int	h_scount [MAX_COMPONENTS]
int	v_scount [MAX_COMPONENTS]
int	quant_sindex [MAX_COMPONENTS]
int	h_max
int	v_max
int	quant_index [4]
int	last_dc [MAX_COMPONENTS]
AVFrame *	picture
AVFrame *	picture_ptr
int	got_picture
	we found a SOF and picture is valid, too.
int	nb_seq_component_scans
	component scans decoded since the SOF (sequential images: <= nb_components)
int	linesize [MAX_COMPONENTS]
	linesize << interlaced
int16_t	block [64]
int16_t(*[MAX_COMPONENTS]	blocks )[64]
	intermediate sums (progressive mode)
uint8_t *	last_nnz [MAX_COMPONENTS]
uint64_t	coefs_finished [MAX_COMPONENTS]
	bitmask of which coefs have been completely decoded (progressive mode)
int	palette_index
int	force_pal8
uint8_t	permutated_scantable [64]
BlockDSPContext	bdsp
IDCTDSPContext	idsp
op_pixels_func	copy_block
	only set and used by mxpeg
int	restart_interval
int	restart_count
int	cs_itu601
int	interlace_polarity
int	multiscope
int	mjpb_skiptosod
int	cur_scan
int64_t	total_ls_decoded_height
int	flipped
uint16_t(*	ljpeg_buffer )[4]
unsigned int	ljpeg_buffer_size
AVExifMetadata	exif_metadata
AVStereo3D *	stereo3d
const AVPixFmtDescriptor *	pix_desc
	!< stereoscopic information (cached, since it is read before frame allocation)
ICCEntry *	iccentries
int	iccnum
int	iccread
AVFrame *	smv_frame
int	smv_frames_per_jpeg
int	smv_next_frame
const uint8_t *	raw_image_buffer
size_t	raw_image_buffer_size
uint8_t	raw_huffman_lengths [2][4][16]
uint8_t	raw_huffman_values [2][4][256]
enum AVPixelFormat	hwaccel_sw_pix_fmt
enum AVPixelFormat	hwaccel_pix_fmt
void *	hwaccel_picture_private
struct JLSState *	jls_state
const uint8_t *	mb_bitmask
size_t	mb_bitmask_size
const AVFrame *	reference

Detailed Description

Definition at line 56 of file mjpegdec.h.

Field Documentation

◆ class

AVClass* MJpegDecodeContext::class

Definition at line 57 of file mjpegdec.h.

◆ avctx

AVCodecContext* MJpegDecodeContext::avctx

Definition at line 58 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions().

◆ gb

GetBitContext MJpegDecodeContext::gb

Definition at line 59 of file mjpegdec.h.

◆ gB

GetByteContext MJpegDecodeContext::gB

Definition at line 60 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ buf_size

int MJpegDecodeContext::buf_size

Definition at line 61 of file mjpegdec.h.

◆ buffer_size

int MJpegDecodeContext::buffer_size

Definition at line 63 of file mjpegdec.h.

◆ buffer

uint8_t* MJpegDecodeContext::buffer

Definition at line 64 of file mjpegdec.h.

◆ quant_matrixes

uint16_t MJpegDecodeContext::quant_matrixes[4][64]

Definition at line 66 of file mjpegdec.h.

◆ vlcs

VLC MJpegDecodeContext::vlcs[3][4]

Definition at line 67 of file mjpegdec.h.

◆ qscale

int MJpegDecodeContext::qscale[4]

quantizer scale calculated from quant_matrixes

Definition at line 68 of file mjpegdec.h.

◆ orig_height

int MJpegDecodeContext::orig_height

Definition at line 70 of file mjpegdec.h.

◆ first_picture

int MJpegDecodeContext::first_picture

Definition at line 71 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ interlaced

int MJpegDecodeContext::interlaced

Definition at line 72 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ bottom_field

int MJpegDecodeContext::bottom_field

Definition at line 73 of file mjpegdec.h.

◆ lossless

int MJpegDecodeContext::lossless

Definition at line 74 of file mjpegdec.h.

◆ ls

int MJpegDecodeContext::ls

Definition at line 75 of file mjpegdec.h.

◆ progressive

int MJpegDecodeContext::progressive

Definition at line 76 of file mjpegdec.h.

◆ bayer

int MJpegDecodeContext::bayer

Definition at line 77 of file mjpegdec.h.

Referenced by dng_decode_jpeg().

◆ rgb

int MJpegDecodeContext::rgb

Definition at line 78 of file mjpegdec.h.

◆ upscale_h

uint8_t MJpegDecodeContext::upscale_h[4]

Definition at line 79 of file mjpegdec.h.

◆ upscale_v

uint8_t MJpegDecodeContext::upscale_v[4]

Definition at line 80 of file mjpegdec.h.

◆ rct

int MJpegDecodeContext::rct

Definition at line 81 of file mjpegdec.h.

◆ pegasus_rct

int MJpegDecodeContext::pegasus_rct

Definition at line 82 of file mjpegdec.h.

◆ bits

int MJpegDecodeContext::bits

Definition at line 83 of file mjpegdec.h.

◆ colr

int MJpegDecodeContext::colr

Definition at line 84 of file mjpegdec.h.

◆ xfrm

int MJpegDecodeContext::xfrm

Definition at line 85 of file mjpegdec.h.

◆ adobe_transform

int MJpegDecodeContext::adobe_transform

Definition at line 86 of file mjpegdec.h.

◆ nb_components_sos

int MJpegDecodeContext::nb_components_sos

Definition at line 89 of file mjpegdec.h.

◆ Ss

int MJpegDecodeContext::Ss

Definition at line 90 of file mjpegdec.h.

◆ Se

int MJpegDecodeContext::Se

Definition at line 91 of file mjpegdec.h.

◆ Ah

int MJpegDecodeContext::Ah

Definition at line 92 of file mjpegdec.h.

◆ Al

int MJpegDecodeContext::Al

Definition at line 93 of file mjpegdec.h.

◆ maxval

int MJpegDecodeContext::maxval

Definition at line 95 of file mjpegdec.h.

◆ near

int MJpegDecodeContext::near

near lossless bound (si 0 for lossless)

Definition at line 96 of file mjpegdec.h.

◆ t1

int MJpegDecodeContext::t1

Definition at line 97 of file mjpegdec.h.

◆ t2

int MJpegDecodeContext::t2

Definition at line 97 of file mjpegdec.h.

◆ t3

int MJpegDecodeContext::t3

Definition at line 97 of file mjpegdec.h.

◆ reset

int MJpegDecodeContext::reset

context halfing interval ?rename

Definition at line 98 of file mjpegdec.h.

◆ width

int MJpegDecodeContext::width

Definition at line 100 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions().

◆ height

int MJpegDecodeContext::height

Definition at line 100 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions().

◆ mb_width

int MJpegDecodeContext::mb_width

Definition at line 101 of file mjpegdec.h.

◆ mb_height

int MJpegDecodeContext::mb_height

Definition at line 101 of file mjpegdec.h.

◆ nb_components

int MJpegDecodeContext::nb_components

Definition at line 102 of file mjpegdec.h.

◆ block_stride

int MJpegDecodeContext::block_stride[MAX_COMPONENTS]

Definition at line 103 of file mjpegdec.h.

◆ component_id

int MJpegDecodeContext::component_id[MAX_COMPONENTS]

Definition at line 104 of file mjpegdec.h.

◆ h_count

int MJpegDecodeContext::h_count[MAX_COMPONENTS]

Definition at line 105 of file mjpegdec.h.

◆ v_count

int MJpegDecodeContext::v_count[MAX_COMPONENTS]

Definition at line 106 of file mjpegdec.h.

◆ comp_index

int MJpegDecodeContext::comp_index[MAX_COMPONENTS]

Definition at line 107 of file mjpegdec.h.

◆ dc_index

int MJpegDecodeContext::dc_index[MAX_COMPONENTS]

Definition at line 108 of file mjpegdec.h.

◆ ac_index

int MJpegDecodeContext::ac_index[MAX_COMPONENTS]

Definition at line 109 of file mjpegdec.h.

◆ nb_blocks

int MJpegDecodeContext::nb_blocks[MAX_COMPONENTS]

Definition at line 110 of file mjpegdec.h.

◆ h_scount

int MJpegDecodeContext::h_scount[MAX_COMPONENTS]

Definition at line 111 of file mjpegdec.h.

◆ v_scount

int MJpegDecodeContext::v_scount[MAX_COMPONENTS]

Definition at line 112 of file mjpegdec.h.

◆ quant_sindex

int MJpegDecodeContext::quant_sindex[MAX_COMPONENTS]

Definition at line 113 of file mjpegdec.h.

◆ h_max

int MJpegDecodeContext::h_max

Definition at line 114 of file mjpegdec.h.

◆ v_max

int MJpegDecodeContext::v_max

Definition at line 114 of file mjpegdec.h.

◆ quant_index

int MJpegDecodeContext::quant_index[4]

Definition at line 115 of file mjpegdec.h.

◆ last_dc

int MJpegDecodeContext::last_dc[MAX_COMPONENTS]

Definition at line 116 of file mjpegdec.h.

◆ picture

AVFrame* MJpegDecodeContext::picture

Definition at line 117 of file mjpegdec.h.

◆ picture_ptr

AVFrame* MJpegDecodeContext::picture_ptr

Definition at line 118 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions(), and mxpeg_decode_frame().

◆ got_picture

int MJpegDecodeContext::got_picture

we found a SOF and picture is valid, too.

Definition at line 119 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ nb_seq_component_scans

int MJpegDecodeContext::nb_seq_component_scans

component scans decoded since the SOF (sequential images: <= nb_components)

Definition at line 120 of file mjpegdec.h.

◆ linesize

int MJpegDecodeContext::linesize[MAX_COMPONENTS]

linesize << interlaced

Definition at line 121 of file mjpegdec.h.

◆ block

int16_t MJpegDecodeContext::block[64]

Definition at line 122 of file mjpegdec.h.

◆ blocks

int16_t(*[MAX_COMPONENTS] MJpegDecodeContext::blocks)[64]

intermediate sums (progressive mode)

Definition at line 123 of file mjpegdec.h.

◆ last_nnz

uint8_t* MJpegDecodeContext::last_nnz[MAX_COMPONENTS]

Definition at line 124 of file mjpegdec.h.

◆ coefs_finished

uint64_t MJpegDecodeContext::coefs_finished[MAX_COMPONENTS]

bitmask of which coefs have been completely decoded (progressive mode)

Definition at line 125 of file mjpegdec.h.

◆ palette_index

int MJpegDecodeContext::palette_index

Definition at line 126 of file mjpegdec.h.

◆ force_pal8

int MJpegDecodeContext::force_pal8

Definition at line 127 of file mjpegdec.h.

◆ permutated_scantable

uint8_t MJpegDecodeContext::permutated_scantable[64]

Definition at line 128 of file mjpegdec.h.

◆ bdsp

BlockDSPContext MJpegDecodeContext::bdsp

Definition at line 129 of file mjpegdec.h.

◆ idsp

IDCTDSPContext MJpegDecodeContext::idsp

Definition at line 130 of file mjpegdec.h.

◆ copy_block

op_pixels_func MJpegDecodeContext::copy_block

only set and used by mxpeg

Definition at line 131 of file mjpegdec.h.

◆ restart_interval

int MJpegDecodeContext::restart_interval

Definition at line 133 of file mjpegdec.h.

◆ restart_count

int MJpegDecodeContext::restart_count

Definition at line 134 of file mjpegdec.h.

◆ cs_itu601

int MJpegDecodeContext::cs_itu601

Definition at line 136 of file mjpegdec.h.

◆ interlace_polarity

int MJpegDecodeContext::interlace_polarity

Definition at line 137 of file mjpegdec.h.

◆ multiscope

int MJpegDecodeContext::multiscope

Definition at line 138 of file mjpegdec.h.

◆ mjpb_skiptosod

int MJpegDecodeContext::mjpb_skiptosod

Definition at line 140 of file mjpegdec.h.

◆ cur_scan

int MJpegDecodeContext::cur_scan

Definition at line 142 of file mjpegdec.h.

◆ total_ls_decoded_height

int64_t MJpegDecodeContext::total_ls_decoded_height

Definition at line 143 of file mjpegdec.h.

◆ flipped

int MJpegDecodeContext::flipped

Definition at line 144 of file mjpegdec.h.

◆ ljpeg_buffer

uint16_t(* MJpegDecodeContext::ljpeg_buffer)[4]

Definition at line 146 of file mjpegdec.h.

◆ ljpeg_buffer_size

unsigned int MJpegDecodeContext::ljpeg_buffer_size

Definition at line 147 of file mjpegdec.h.

◆ exif_metadata

AVExifMetadata MJpegDecodeContext::exif_metadata

Definition at line 152 of file mjpegdec.h.

◆ stereo3d

AVStereo3D* MJpegDecodeContext::stereo3d

Definition at line 154 of file mjpegdec.h.

◆ pix_desc

const AVPixFmtDescriptor* MJpegDecodeContext::pix_desc

!< stereoscopic information (cached, since it is read before frame allocation)

Definition at line 156 of file mjpegdec.h.

◆ iccentries

ICCEntry* MJpegDecodeContext::iccentries

Definition at line 158 of file mjpegdec.h.

◆ iccnum

int MJpegDecodeContext::iccnum

Definition at line 159 of file mjpegdec.h.

◆ iccread

int MJpegDecodeContext::iccread

Definition at line 160 of file mjpegdec.h.

◆ smv_frame

AVFrame* MJpegDecodeContext::smv_frame

Definition at line 162 of file mjpegdec.h.

◆ smv_frames_per_jpeg

int MJpegDecodeContext::smv_frames_per_jpeg

Definition at line 163 of file mjpegdec.h.

◆ smv_next_frame

int MJpegDecodeContext::smv_next_frame

Definition at line 164 of file mjpegdec.h.

◆ raw_image_buffer

const uint8_t* MJpegDecodeContext::raw_image_buffer

Definition at line 167 of file mjpegdec.h.

◆ raw_image_buffer_size

size_t MJpegDecodeContext::raw_image_buffer_size

Definition at line 168 of file mjpegdec.h.

◆ raw_huffman_lengths

uint8_t MJpegDecodeContext::raw_huffman_lengths[2][4][16]

Definition at line 170 of file mjpegdec.h.

◆ raw_huffman_values

uint8_t MJpegDecodeContext::raw_huffman_values[2][4][256]

Definition at line 171 of file mjpegdec.h.

◆ hwaccel_sw_pix_fmt

enum AVPixelFormat MJpegDecodeContext::hwaccel_sw_pix_fmt

Definition at line 173 of file mjpegdec.h.

◆ hwaccel_pix_fmt

enum AVPixelFormat MJpegDecodeContext::hwaccel_pix_fmt

Definition at line 174 of file mjpegdec.h.

◆ hwaccel_picture_private

void* MJpegDecodeContext::hwaccel_picture_private

Definition at line 175 of file mjpegdec.h.

◆ jls_state

struct JLSState* MJpegDecodeContext::jls_state

Definition at line 176 of file mjpegdec.h.

◆ mb_bitmask

const uint8_t* MJpegDecodeContext::mb_bitmask

Definition at line 178 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ mb_bitmask_size

size_t MJpegDecodeContext::mb_bitmask_size

Definition at line 179 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ reference

const AVFrame* MJpegDecodeContext::reference

Definition at line 180 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

The documentation for this struct was generated from the following file:

libavcodec/mjpegdec.h

Data Fields

Detailed Description

Field Documentation

◆ class

◆ avctx

◆ gb

◆ gB

◆ buf_size

◆ buffer_size

◆ buffer

◆ quant_matrixes

◆ vlcs

◆ qscale

◆ orig_height

◆ first_picture

◆ interlaced

◆ bottom_field

◆ lossless

◆ ls

◆ progressive

◆ bayer

◆ rgb

◆ upscale_h

◆ upscale_v

◆ rct

◆ pegasus_rct

◆ bits

◆ colr

◆ xfrm

◆ adobe_transform

◆ nb_components_sos

◆ Ss

◆ Se

◆ Ah

◆ Al

◆ maxval

◆ near

◆ t1

◆ t2

◆ t3

◆ reset

◆ width

◆ height

◆ mb_width

◆ mb_height

◆ nb_components

◆ block_stride

◆ component_id

◆ h_count

◆ v_count

◆ comp_index

◆ dc_index

◆ ac_index

◆ nb_blocks

◆ h_scount

◆ v_scount

◆ quant_sindex

◆ h_max

◆ v_max

◆ quant_index

◆ last_dc

◆ picture

◆ picture_ptr

◆ got_picture

◆ nb_seq_component_scans

◆ linesize

◆ block

◆ blocks

◆ last_nnz

◆ coefs_finished

◆ palette_index

◆ force_pal8

◆ permutated_scantable

◆ bdsp

◆ idsp

◆ copy_block

◆ restart_interval

◆ restart_count

◆ cs_itu601

◆ interlace_polarity